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The Collaborative School Improvement Process (C-SIP) is a six-step process based on participative decision making and staff development. The identification of participants' perceptions of the program and reasons for variation is the purpose of this study. Data collection is based on a survey of teachers and administrators in 29 participating schools. The return rate and total number of respondents are not stated. With the exception of two schools, findings indicate that the majority of participants perceived the C-CIP process as effective. Reasons for program effectiveness include: shared decision making and goal consensus; active involvement that meets basic human needs; well-organized planning; adequate funding; and utilization of a process facilitator. Recommendations are offered for improving time management, staff commitment, and evaluation. Appendices include a funding statement, a copy of the questionnaire, and tables of responses by school and by group. (LMI)

This paper describes a simple global climate model useful in a freshman or sophomore level course in climatology. There are three parts to the paper. The first part describes the model, which is a global model of surface air temperature averaged over latitude and longitude. Samples of the types of calculations performed in the model are provided. The second part of the paper discusses the computer code. The model is coded in Fortran-77 and requires about 45K bytes of storage in executable form. It can, therefore, be run on almost any machine. Part three discusses how the model can be used to illustrate several features of the global energy balance. Students might be asked to invent a scenario and investigate the climatic consequences. Or the model can illustrate concepts such as equilibrium, relaxation time and thermal inertia, positive and negative feedbacks, and stability. Among the virtues of this model are its small size, its robustness to user abuse, and its ability to illustrate at least qualitatively a large number of features of global climate. (RM)